Article = function() {
  this.body;
}

Article.prototype.add = function(form){
  var errors = {};
  this.body =  $('article_body').getValue().trim();
  if (this.body.length < 10 || this.body.length > 500 )
  {
     errors['article_body'] =  'The text length must be between 10 and 500 characters long...';
     this.body = false;
  }
  if(!mt.showError(errors, form))
      mt.track.add();
  
  return false;
}
